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Gewählte Publikation:

Were, D; Kansiime, F; Fetahi, T; Hein, T.
(2021): Soil organic carbon storage in a tropical freshwater wetland: the influence of vegetation type
AFR J AQUAT SCI. 2021; 46(2): 161-172. FullText FullText_BOKU

The impact of different vegetation communities on soil organic carbon (SOC) in a tropical freshwater wetland in Uganda was investigated. SOC content, density and storage potential were determined under three different dominant vegetation communities:Cyperus papyrusL.,Typha latifoliaL. andPhragmites mauritianusKunth. SOC content (123.7 +/- 2.6 SE g C kg(-1)dry soil) inC. papyruswas significantly higher (p< 0.05) than in bothT. latifoliaandP. mauritianus, whereas SOC density (kg C m(-2)) insignificantly varied (p> 0.05) among the three vegetation communities (C. papyrus= 7.2 +/- 0.1,T. latifolia= 6.7 +/- 0.1 andP. mauritianus= 6.2 +/- 0.1). Similarly, for the entire sampled soil depth (0-50 cm), SOC storage potential was significantly higher (p< 0.05) inC. papyrus(36 118.08 +/- 552.52 t C km(-2)), and was in the order of decreasing magnitude:C. papyrus>T. latifolia>P. mauritianus. Plant biomass density, and soil physico-chemical characteristics, bulk density, salinity, pH and temperature were significantly correlated (p< 0.05) with SOC. In conclusion, where climate change mitigation is considered as a wetland ecosystem service, restoration priorities for degraded/lost tropical freshwater wetlands need to considerC. papyrusplants. In addition, comparing SOC storage by ecosystems, Uganda's wetlands contain three times more SOC than is contained in the country's forests.
Autor*innen der BOKU Wien:
Hein Thomas
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Find related publications in this database (Keywords)
carbon sequestration
climate change

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